B65H 19/2292
Removing cores or mandrels from web roll after winding
Official title: {Removing cores or mandrels from web roll after winding}
B65H19/2292 (Removing cores or mandrels from web roll after winding) appears on 50 US grants and 38 published applications in this corpus.
Search patents in B65H- Granted patents
- 50
- Published applications
- 38
- Assignees
- 37
- Inventors
- 96
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 6 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 6 | 2 |
| 2017 | 0 | 1 |
| 2018 | 2 | 4 |
| 2019 | 0 | 0 |
| 2020 | 3 | 2 |
| 2021 | 2 | 3 |
| 2022 | 3 | 3 |
| 2023 | 0 | 3 |
| 2024 | 4 | 6 |
| 2025 | 3 | 0 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Clasp for producing coreless roll products8 Sep 2026US 12,729,087 B2BW Converting, Inc.
- Method and apparatus for producing coreless roll products9 Jun 2026US 12,649,638 B2BW Converting, Inc.
- Method of manufacturing battery6 Jan 2026US 12,519,140 B2Prime Planet Energy & Solutions, Inc.
- Carrier tape processing device and carrier tape processing method2 Sep 2025US 12,404,135 B2Panasonic Intellectual Property Management Co., Ltd.
- Method for extracting a core from a reel, machine and extraction station to carry out such method2 Sep 2025US 12,404,136 B2Gambini S.P.A.
- Improved Method and Apparatus for Producing Coreless Roll Products16 Jul 2026US 2026/0200691 A1BW Converting, Inc.
- Winding device, method of replacing mandrel, and mandrel2 Jul 2026US 2026/0183817 A1Primetals Technologies Japan, Ltd.
- Apparatus for the production of inner assemblies and method thereof9 Apr 2026US 2026/0097920 A1G. D S.p.A.
- Clasp for Producing Coreless Roll Products19 Dec 2024US 2024/0417201 A1Paper Converting Machine Company
- Winding mandrel, winding machine, and battery cell winding method26 Sep 2024US 2024/0317528 A1Contemporary Amperex Technology Co., Limited
Most cited
By later US patents
- Coreless winding method and apparatus53US 5,497,959 APaper Converting Machine Company · 1996
- Surface winder with recycled mandrels and method50US 5,421,536 APaper Coverting Machine Company · 1995
- Turret assembly36US 5,690,297 AThe Procter & Gamble Company · 1997
- Winding arbor having a plurality of air valves for making coreless paper rolls and method for using27US 5,797,559 ANCR Corporation · 1998
- Turret assembly27US 5,913,490 AThe Procter & Gamble Company · 1999